AMD Ryzen 9 7845HX vs AMD Ryzen AI Max 390

VS

AMD Ryzen 9 7845HX

AMD Ryzen AI Max 390

We compared two laptop CPUs: AMD Ryzen 9 7845HX with 12 cores 3.0GHz and AMD Ryzen AI Max 390 with 12 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7845HX 's Advantages

Newer PCIe version (5.0 vs 4)

Higher base frequency (3.0GHz vs 2GHz)

AMD Ryzen AI Max 390 's Advantages

Released 2 years late

Higher specification of memory (8000 vs 5200)

Larger memory bandwidth (128GB/s vs 83.2GB/s)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (54W vs 75W)

Score

AMD Ryzen 9 7845HX

VS

AMD Ryzen AI Max 390

General Parameters

Jan 2023

Release Date

Jan 2025

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Strix Halo

FL1

Socket

AMD Socket FP8

Radeon 610M

Integrated Graphics

40CU(Unknown)

-

Generation

Zen 5

Package

-

Transistor Count

5 nm

Manufacturing Process

4 nm

45-75 W

Power Consumption

15-54 W

-

Max Turbo Power Consumption

W

100°C

Peak Operating Temperature

100°C

-

Foundry

TSMC

-

I/O Process Size

6 nm

CPU Performance

12

Performance Cores

12

24

Performance Core Threads

24

3.0 GHz

Performance Core Base Frequency

2 GHz

5.2 GHz

Performance Core Turbo Frequency

5.1 GHz

-

Efficiency Cores

0

-

Efficiency Core Threads

-

Efficiency Core Base Frequency

0 MHz

-

Efficiency Core Turbo Frequency

0 GHz

12

Total Core Count

12

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

20.0

64 K per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

64 MB

Yes

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR5-5200

Memory Types

LPDDR5X-8000

64 GB

Max Memory Size

96 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

128 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

2200 MHz

GPU Max Dynamic Frequency

MHz

128

Shader Units

8

Texture Units

4

Raster Operation Units

2

Execution Units

40

15 W

Power Consumption

-

Max Resolution

0.49 TFLOPS

Graphics Performance

0 TFLOPS

AI Accelerator

-

NPU

AMD Ryzen™ AI

-

Theoretical performance

55 TOPS

Miscellaneous

AMD Ryzen 9 7845HX

Official Website

AMD Ryzen AI Max 390

5.0

PCIe Version

4

28

PCIe Lanes

16

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